diff --git a/.travis.yml b/.travis.yml
index eb90408..8be11c5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,9 @@ script:
   - bundle exec rake ios:build osx:build ios:test osx:test
 after_success:
   - ./iOS/Script/coveralls.sh
+branches:
+  only:
+    - master
 env:
   global:
     - LANG=en_US.UTF-8